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KMID : 1001920110500030185
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Journal of Korean Neurosurgical Society
2011 Volume.50 No. 3 p.185 ~ p.190
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Extracranial-Intracranial Bypass Surgery Using a Radial Artery Interposition Graft for Cerebrovascular Diseases
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Roh Sung-Woo
Ahn Jae-Sung
Sung Han-Yoo
Jung Young-Jin
Kwun Byung-Duk
Kim Chang-Jin
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Abstract
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Objective : To investigate the efficacy of extracranial-intracranial (EC-IC) bypass surgery using a radial artery interposition graft (RAIG) for surgical management of cerebrovascular diseases.
Methods : The study involved a retrospective analysis of 13 patients who underwent EC-IC bypass surgery using RAIG at a single neurosurgical institute between 2003 and 2009. The diseases comprised intracranial aneurysm (n=10), carotid artery occlusive disease (n=2), and delayed stenosis in the donor superficial temporal artery (STA) following previous STA-middle cerebral artery bypass surgery (n=1). Patients were followed clinically and radiographically.
Results : Bypass surgery was successful in all patients. At a mean follow-up of 53.4 months, the short-term patency rate was 100%, and the long-term rate was 92.3%. Twelve patients had an excellent clinical outcome of Glasgow Outcome Scale (GOS) 5, and one case had GOS 3. Procedure-related complications were a temporary dysthesia on the graft harvest hand (n=1) and a hematoma at the graft harvest site (n=1), and these were treated successfully with no permanent sequelae. In one case, spasm occurred which was relieved with the introduction of mechanical dilators.
Conclusion : EC-IC bypass using a RAIG appears to be an effective treatment for a variety of cerebrovascular diseases requiring proximal occlusion or trapping of the parent artery.
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KEYWORD
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EC-IC arterial bypass, Radial artery interposition graft, Revascularization.
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